page 06 12. The structure of a soapless detergent molecule is given below. H3C O S O O O CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 tail section head section Which line in the table describes a step in the cleansing action of a soapless detergent? Head section Tail section A The hydrophobic head dissolves in water. The hydrophilic tail dissolves in oil. B The hydrophilic head dissolves in water. The hydrophobic tail dissolves in oil. C The hydrophobic head dissolves in oil. The hydrophilic tail dissolves in water. D The hydrophilic head dissolves in oil. The hydrophobic tail dissolves in water. 13. Which of the following is a secondary alcohol? A 2-methylbutan-1-ol B 2-methylbutan-2-ol C butan-1-ol D butan-2-ol